/**
 * @author: HenryDai
 * @Date: 2022/04/30 18:59
 * @description:
 */
public class Subtract implements MathMethod{
    @Override
    public double doOperation(double a, double b) {
        System.out.println("执行了减法操作, a-b="+(a-b));
        return a-b;
    }
}
